appears. Press to turn on the backlight or to turn it off. Press PWR to clear the backlight menu from the display.

Backlight turned on (left). Contrast scroll bar (right).

Contrast

The contrast of the unit's display may be adjusted to suit different lighting conditions. It will help you see the screen from different angles or at various times of the day.

To adjust the contrast, repeatedly press MENU until the CONTRAST scroll bar appears. To decrease screen contrast, press or to increase the level of contrast, press . If you reach the maximum or minimum con- trast level, a tone will sound. Press the PWR key to clear the menu.

Simulator

This unit has a built-in simulator that shows simulated sonar returns with fish signals. This lets you practice with the unit as if you were on the water. All the unit's functions and features are usable when operating in simulator mode. A message appears occasionally to remind you the simu- lator is on.

To use the simulator, repeatedly press MENU until the SIMULATOR menu appears. Press to turn on the simulator or press to turn it off.

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Eagle Electronics 250 DS, 250 DF manual Contrast, Simulator